White Castle Onion Rings (Small)

A popular side dish at White Castle, the onion rings are made with fresh onions and fried to a deep golden brown crisp.
The fast casual restaurant uses corn flour and adds some sugar to its recipe. See the full list of ingredients in the last section of this nutrition review. Those additives may enhance the flavors of the onions and other seasoning.
One small order of onion rings has 480 calories, 33 grams dietary fat, 40 grams carbohydrates, and 6 grams protein.
Read this guide for an in-depth overview of the nutrition facts, calories, and ingredients in an order of White Castle Onion Rings.
White Castle offers similar menu items, including Onion Chips and Chicken Rings, at select locations. Those side dishes have different quantities of nutrients per serving than the classic Onion Rings.
White Castle Onion Rings Nutritional Information
Nutrition facts, including calories, is based on a single serving measured as one small order of onion rings with a net weight of 141 grams.
Nutrition Info
480 Calories
% Daily Value
Saturated Fat 6486_7c2f06-a8> |
25% 6486_4b0839-3e> |
HIGH 6486_72bfb3-b1> |
Sodium 6486_044268-cb> |
25% 6486_1676bc-86> |
HIGH 6486_f84e9f-88> |
Total Sugars 6486_a3b684-d3> |
7g 6486_4a71ec-c1> |
LOW 6486_e16dd6-be> |
%DV based on 2,000 calories
Reference to the percentage daily value (%DV) illustrates how much a single nutrient in one serving contributes to an overall daily diet of 2,000 calories, based on guidance set by the U.S. FDA.
Calories
There are 480 calories in a small order of White Castle Onion Rings.
Here is a summary of the number of calories by macronutrient, per serving:
The majority of calories (61%) are derived from dietary fat. Carbohydrates make up approximately 33% of the total calories and the remaining 5% is from protein.
White Castle Small Onion Rings
% Calories by Fat, Carbs and Protein
Calories in Large Size
By comparison, a Sack of onion rings (the largest size available at White Castle) contains 890 total calories. The breakout of the composition of percentage of calories by macronutrient is essentially the same as in size small.
The summary of calories by macronutrient above is a rounded estimate based on the nutrition facts provided by White Castle and excludes ketchup or other dipping sauce.
ESTIMATED FITNESS TIME TO BURN 480 CALORIES
fast food side dishes nutrition review
KFC Secret Recipe Fries (Regular Size)
Total Fat
One small order of onion rings has 33 grams of total fat, including five grams of saturated fat. That is considered high on both counts.
SUMMARY OF DIETARY FAT PER SERVING
Nutritional information in this guide is based on a size Small, unless otherwise noted.
Sodium
The amount of sodium in one serving of onion rings is consider high. There are 580 milligrams of sodium in a small order, which equates to a 25% daily value.
The following summary of nutritional information is based on a small order of onion rings.
Nutrition Facts
Serving Size Small
Amount per serving
Calories 6486_d8727e-5f> |
480 6486_d9031e-89> |
% Daily Value
Red indicates a high %DV.
Total Fat 6486_0b61cc-d3> |
33g 6486_771a69-a4> |
42% 6486_d0f79a-4c> |
Saturated Fat 6486_be9700-c9> |
5g 6486_9ac2c0-fc> |
25% 6486_48a8c2-f2> |
Trans Fat 6486_6a205e-72> |
0g 6486_2e910f-81> | 6486_2ac4ae-4f> |
Cholesterol 6486_e7a91f-80> |
0mg 6486_5b54bf-49> |
0% 6486_ab09c9-96> |
Sodium 6486_9d83c4-e2> |
580mg 6486_68db7e-70> |
25% 6486_6ffa4c-20> |
Carbohydrates 6486_52e8b1-b0> |
40g 6486_9c73de-de> |
15% 6486_5048c4-19> |
Dietary Fiber 6486_821814-de> |
2g 6486_c74e50-68> |
7% 6486_ef7250-ff> |
Total Sugars 6486_4588ba-6c> |
7g 6486_15ee4b-6d> | 6486_a8030d-71> |
Protein 6486_16cd14-58> |
6g 6486_379864-93> | 6486_f24152-69> |
%DV based on a 2,000 calorie diet. Calorie needs vary and your %DV may be higher or lower. Provided for informational purposes only. Consult with your physician for dietary or healthcare advice.

Onion Rings Ingredients and Allergens
Ingredients
The onion rings are cooked in Soybean Oil with TBHQ, Citric Acid (preservative) and Dimethylpolysiloxane (anti-foaming agent).
Here is the list of ingredients used to make the onion rings at White Castle fast food restaurant.
Ingredients in onion rings:Onions, Wheat Flour, Soybean Oil, Cornstarch, Yellow Corn Flour, Sugar, Modified Food Starch, Wheat Starch, Sodium Alginate, Dextrose, Salt, Calcium Chloride, Whey, Leavening (sodium bicarbonate, sodium aluminum phosphate), Sodium Tripolyphosphate, Soy Lecithin, Natural and Artificial Flavors, Paprika Extract (for color).
What is TBHQ in Food?
Tert-Butylhydroquinone, typically referred to as TBHQ, is a crystalline antioxidant.
TBHQ is used in food because it blocks the presence of oxidation in fats. Oxidation weakens flavor, alters the coloring in food, and can also result in fats turning rancid. TBHQ is thus used to prevent those effects of oxidation, increase the shelf life and reduce spoilage.
You will find TBHQ in a variety of processed foods, including pasta, cereal, crackers, microwave popcorn, chicken nuggets and other fried foods.
A similar additive is butylated hydroxyanisol, which is often used in combination with TBHQ.
TBHQ is listed as one of the ingredients in the Soybean Oil that’s used when cooking the onion rings.
Allergens
The onion rings are made with ingredients that contain soy and wheat. They are also cooked in the same fryer as menu items that may contain dairy, egg, or fish.
Ingredients, allergens, and nutrition facts are based on available information as of the date this article was published and/or updated. Restaurants and food manufacturers may change their recipes without notice. Check directly with the food provider for the most accurate and up-to-date information. NutritionandIngredients.com does not provide health or wellness advice or dietary recommendations. Our aim is to research commercially processed food and publish articles for informational purposes only. Unless otherwise stated, % Daily Value is based on 2,000 calories per day, but calorie needs vary by individual. Always consult your physician for any healthcare or dietary advice.
Nutrition facts, allergens, and ingredients source: White Castle